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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Mattfeld, Joh.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 8
    Issue: 3
    Date: 1927
    Page Range: 133--149
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  2. By: Mattfeld, Joh.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 8
    Issue: 4
    Date: 1927
    Page Range: 205--233
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  3. By: Mattfeld, Joh.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 20
    Issue: 4
    Date: 1939
    Page Range: 432-436
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-